Display screen or portion thereof with graphical user interface



FIG. 1 is a front view of a display screen or portion thereof with graphical user interface, showing our new design; and,

FIG. 2 is an enlarged front view of a portion of FIG. 1, shown separately for clarity of illustration.

The evenly-incremented broken lines illustrating portions of the display screen or portion thereof with graphical user interface represent environmental structure that forms no part of the claimed design. The dot-dash broken lines define the boundary of the claimed design and form no part thereof. 

CLAIM We claim, the ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 